ORF7b

ORF7b is a protein that is encoded by the SARS-CoV-2 virus, which is responsible for the COVID-19 pandemic. The protein is a virophorin, which is a type of protein that forms pores in the membranes of infected cells, aiding in the release of new virus particles.

Function

The exact function of ORF7b in the SARS-CoV-2 virus is not fully understood. However, it is known to be a virophorin, and these types of proteins generally play a role in the life cycle of the virus. They can help the virus to enter and exit cells, and can also interfere with the host's immune response.

Structure

ORF7b is a small protein, with only 43 amino acids. It has a single transmembrane domain, which allows it to embed itself in the membranes of infected cells. The protein also has a C-terminus that is located inside the cell, and an N-terminus that is exposed to the outside of the cell.

Role in COVID-19

Research has suggested that ORF7b may play a role in the severity of COVID-19. Some studies have found that the protein can suppress the host's immune response, which could potentially contribute to the severe symptoms seen in some COVID-19 patients. However, more research is needed to fully understand the role of ORF7b in the disease.

See also

• SARS-CoV-2
• COVID-19 pandemic
• Virophorin

ORF7b Resources
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